/*
*去空格
*/
String.prototype.trim = function(){
		return this.replace(/(^\s*)|(\s*$)/g, "");
}
/*
*IN NULL OR EMPTY
*/
function isNullOrEmpty(value){
	value=value.trim();
	var result = false;
	if (value == null || 
		value == undefined || 
		value == "null" || 
		value == ""){
		result = true;
	}
	return result;
}
	
	
// 字符串是否为数字
function strIsNum(str){
	var num;
	
	num = new Number(str);
	return !isNaN(num);
}
function checkModifyFilter(){
	var reslut=false;
	var value=document.getElementById("shop.name").value;
	
	
}